signals: split do_tkill

Split out the code from do_tkill to make it reusable by the follow up
patch which implements sys_rt_tgsigqueueinfo

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
This commit is contained in:
Thomas Gleixner 2009-04-04 21:01:01 +00:00
commit 30b4ae8a44